▎ 摘　　要

NOVELTY - A graphene-based absorbing material comprises graphene nano-powder as main material, auxiliary ferrite, carbonyl iron powder and ultrafine metal powder comprising three kinds of magnetic medium material. The composite material is used as a wave absorbing agent and is mixed with a certain proportion of the binder, to prepare absorbing material. The graphene nano-powder is prepared by mechanical peeling of flake graphite powder. The amount of graphene nano-powder is 60-99 %mass. USE - Graphene-based absorbing material used as microwave absorbing material, antistatic material and electromagnetic shielding material. ADVANTAGE - The absorbing material is obtained with excellent absorption intensity and wide absorption band and low density. The graphene is combined with the magnetic media having excellent electromagnetic property. The absorbing material is easy to prepare and the production cost is low. The production process is environmentally-friendly. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of graphene-based absorbing material, which involves mixing first flake graphite and ferrite, carbonyl iron powder and ultrafine metal powder comprising three kinds of magnetic medium material with dry ice, placing the mixture in a planetary ball mill for several hours and performing high-speed milling, natural cooling the mixture, to obtain graphene-based absorbing agent, mixing the absorbing agent with a binder, to prepare absorbing material.